enhancement: introduce Ruff for Python linter for reordering and removing unused imports with automated pre-commit and sytle check (#2366)

api/core/file/file_obj.py

@@ -1,11 +1,12 @@
 import enum
 from typing import Optional
 
+from pydantic import BaseModel
+
 from core.file.upload_file_parser import UploadFileParser
 from core.model_runtime.entities.message_entities import ImagePromptMessageContent
 from extensions.ext_database import db
 from models.model import UploadFile
-from pydantic import BaseModel
 
 
 class FileType(enum.Enum):

api/core/file/message_file_parser.py

@@ -1,6 +1,7 @@
 from typing import Dict, List, Optional, Union
 
 import requests
+
 from core.file.file_obj import FileBelongsTo, FileObj, FileTransferMethod, FileType
 from extensions.ext_database import db
 from models.account import Account

api/core/file/upload_file_parser.py

@@ -6,9 +6,10 @@ import os
 import time
 from typing import Optional
 
-from extensions.ext_storage import storage
 from flask import current_app
 
+from extensions.ext_storage import storage
+
 IMAGE_EXTENSIONS = ['jpg', 'jpeg', 'png', 'webp', 'gif', 'svg']
 IMAGE_EXTENSIONS.extend([ext.upper() for ext in IMAGE_EXTENSIONS])